CN208350257U - The lateral load force system of high-precision class guide colume type force-measuring framework tests structure - Google Patents
The lateral load force system of high-precision class guide colume type force-measuring framework tests structure Download PDFInfo
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- CN208350257U CN208350257U CN201820937464.9U CN201820937464U CN208350257U CN 208350257 U CN208350257 U CN 208350257U CN 201820937464 U CN201820937464 U CN 201820937464U CN 208350257 U CN208350257 U CN 208350257U
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Abstract
The utility model provides a kind of lateral load force system test structure of high-precision class guide colume type force-measuring framework, such guide colume type force-measuring framework has two curb girders and two crossbeams, the both ends of two curb girders constitute the quadrangle of the force-measuring framework, all there are four high separation load identification point regions for definition on the quadrangle, foil gauge is pasted on each high separation load identification point region, to constitute multiple groups full-bridge circuit structure.So, a full-bridge circuit structure is formed i.e. on each angle of force-measuring framework, four full-bridge circuit structures are then formed on four angles altogether, each full-bridge circuit independently decouples, it is four times of traditional test structure amplification coefficient, the measurement accuracy of the lateral load force system test structure of class guide colume type force-measuring framework can be greatlyd improve.
Description
Technical field
The utility model relates to the knots that the lateral load force system of the class guide colume type force-measuring framework to rail vehicle is tested
Structure.
Background technique
For guide colume type bogie widely used in passenger train, in the prior art, carried out for frame construction horizontal
When analysis to loading force system, the test method for this type bogie transverse load there is no.
Utility model content
The purpose of this utility model is: providing a kind of lateral load force system test knot of high-precision class guide colume type force-measuring framework
On the one hand structure shortens wiring distance, on the other hand increases complete by forming a full-bridge circuit at each angle of force-measuring framework
The quantity of bridge circuit, to improve measuring accuracy.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of lateral load force system test structure of high-precision class guide colume type force-measuring framework, such guide colume type force-measuring framework tool
There are two curb girders and two crossbeams, the both ends of two curb girders constitute the quadrangle of the force-measuring framework, it is characterised in that:
All there are four high separation load identification point regions for definition on the quadrangle, are respectively as follows:
First area: curb girder upper cover plate outer, and it is located at curb girder and nearside crossbeam junction into outside spring strut seat
Between the heart；
Second area: curb girder lower cover plate outer, and it is located at curb girder and nearside crossbeam junction into outside spring strut seat
Between the heart；
Third region: edge in curb girder upper cover plate, and it is located at curb girder and nearside crossbeam junction into outside spring strut seat
Between the heart；
The fourth region: edge in curb girder lower cover plate, and it is located at curb girder and nearside crossbeam junction into outside spring strut seat
Between the heart；
Wherein so-called nearside crossbeam refers to that crossbeam more close with angle where each region；
The first foil gauge is pasted on the first region, is pasted the second foil gauge on the second region, is glued on the third area
Third foil gauge is pasted, the 4th foil gauge is pasted in the fourth region；The first foil gauge, the second foil gauge on the same angle,
Three foil gauges and the 4th foil gauge form full-bridge circuit structure；
In the full-bridge circuit structure, the first foil gauge and the second pairs of arm of foil gauge group, third foil gauge and the 4th are strained
The pairs of arm of piece group, the first foil gauge and third foil gauge form adjacent arms, and the second foil gauge and the 4th foil gauge form adjacent arms.
The lateral load force system of the high-precision class guide colume type force-measuring framework tests structure, in which: in force-measuring framework
Each angle is disposed at least one set of spare full-bridge circuit structure.
The lateral load force system of the high-precision class guide colume type force-measuring framework tests structure, in which: the class guide colume type
Force-measuring framework is guide colume type force-measuring framework, circular cone laminated rubber spring formula force-measuring framework or cylinder laminated rubber spring formula dynamometry
Framework.
The utility model is directed to the mechanical characteristic of class guide colume type bogie frame, the curb girder upper cover between axle box and crossbeam
Plate, lower cover plate edge paste foil gauge and form full-bridge circuit, and arrange at the symmetric position of framework quadrangle identical four it is complete
Bridge circuit measures the transverse load of four positions respectively, is then combined calculating.
Kinetic characteristic of the utility model according to framework, tests directly against framework transverse load and needs, devise steering
Frame force-measuring framework；It is independent in four lateral stressed Position Designs of framework according to the mechanical characteristic of class guide colume type bogie
Full-bridge circuit makes transverse load test force system have bigger level of response on the basis of careful calculating, while making other
The disturbance response that power system generates responds about low two orders of magnitude than test, to ensure the decoupling precision of each power system.Bogie is surveyed
The it is proposed of power framework not only ensure that measuring accuracy, but also make that preferable quasi-static pass is presented between the load measured and structural strain
System.
Detailed description of the invention
Fig. 1 is the schematic top plan view of 209P type car force-measuring framework；
Figure 1A is the bridge arrangement figure of the transverse load test structure of 209P type car force-measuring framework；
Fig. 2, Fig. 3 are the strain gauge adhesion regions of 209P type car force-measuring framework transverse load test structure.
Fig. 4 is the schematic top plan view of CW-2000 type subway force-measuring framework；
Fig. 4 A is the bridge arrangement figure of the transverse load test structure of CW-2000 type subway force-measuring framework；
Fig. 5, Fig. 6 are the strain gauge adhesion regions of CW-2000 type subway force-measuring framework transverse load test structure.
Description of symbols: the first foil gauge of 1-；The second foil gauge of 2-；3- third foil gauge；The 4th foil gauge of 4-；Q1-
One parallactic angle；Bis- parallactic angle of Q2-；Tri- parallactic angle of Q3-；Tetra- parallactic angle of Q4-；Spring strut seat on the inside of 51-；Spring strut seat on the outside of 52-；71-
Crossbeam；81- curb girder upper cover plate outer；82- curb girder lower cover plate outer；Edge in 83- curb girder upper cover plate；Edge in 84- curb girder lower cover plate；
S1- range；S2- range.
Specific embodiment
The manufacturing process for introducing bogie force-measuring framework roughly first is as follows:
(1) the frame construction finite element model that each model is established using finite element method is applied simulation to frame construction and carried
Lotus architecturally designs strain group bridge mode for cross force system, determines the high separation load identification point region of force-measuring framework.
(2) foil gauge is pasted in high separation load identification point region, foil gauge is connected into full-bridge circuit.
(3) frame construction is subjected to static demarcating on multichannel load force-measuring framework special calibrating testing stand, obtained complete
Corresponding relationship between bridge circuit and calibration load, completes the production of force-measuring framework.
The detailed process of high separation load identification point and the mark in step (3) on framework are found in above-mentioned steps (1)
Determine process, and be not belonging to the utility model it is claimed within the scope of, the public will not be influenced and use the utility model
Load test is carried out, therefore, it will not go into details for the utility model.
In conjunction with diagram, the specific structure for introducing the utility model is as follows:
As shown in Figure 1, being a kind of vertical view of typical guide colume type force-measuring framework (by taking 209P type car force-measuring framework as an example)
Structure schematic diagram has two curb girders and two crossbeams 71, and the both ends of two curb girders constitute the quadrangle of the force-measuring framework, the quadrangle point
It is not named as a parallactic angle Q1, two parallactic angle Q2, three parallactic angle Q3 and four parallactic angle Q4, there are four high separation load to know on each angle
Other region, is respectively as follows:
First area: curb girder upper cover plate outer 81, and it is located at curb girder and 71 junction of nearside crossbeam to outside spring strut
Between 52 centers of seat (as shown in range S1)；
Second area: curb girder lower cover plate outer 82, and it is located at curb girder and 71 junction of nearside crossbeam to outside spring strut
Between 52 centers of seat (as shown in range S1)；
Third region: along 83 in curb girder upper cover plate, and it is located at curb girder and 71 junction of nearside crossbeam to outside spring strut
Between 52 centers of seat (as shown in range S2)；
The fourth region: along 84 in curb girder lower cover plate, and it is located at curb girder and 71 junction of nearside crossbeam to outside spring strut
Between 52 centers of seat (as shown in range S2)；
Wherein so-called nearside crossbeam refers to that crossbeam more close with angle where each region.
The first foil gauge 1 is pasted on the first region, pastes the second foil gauge 2 on the second region, on the third area
Third foil gauge 3 is pasted, the 4th foil gauge 4 is pasted in the fourth region；The first foil gauge 1, second strain on the same angle
Piece 2, third foil gauge 3 and the 4th foil gauge 4 form full-bridge circuit structure；As shown in Figure 1A, in each full-bridge circuit structure,
2 groups of pairs of arms of first foil gauge 1 and the second foil gauge, 4 groups of pairs of arms of third foil gauge 3 and the 4th foil gauge, the first foil gauge 1
Adjacent arms is formed with third foil gauge 3, the second foil gauge 2 and the 4th foil gauge 4 form adjacent arms.
In this way, forming a full-bridge circuit structure on each angle of force-measuring framework, four are then formed on four angles altogether
Full-bridge circuit structure can greatly improve the measurement accuracy of the lateral load force system test structure of guide colume type force-measuring framework.
Alternatively, it is also possible to paste more foil gauges on each zone, to form more full-bridge circuit structures, with
At least one set of spare full-bridge circuit structure of each angle arrangement of force-measuring framework.
Referring again to Fig. 4, Fig. 4 A, Fig. 5, Fig. 6, be the utility model be applied to CW-2000 type subway force-measuring framework (with lead
The similar circular cone laminated rubber spring formula force-measuring framework of pillar force-measuring framework structure) when, used structure and method are with before
One embodiment is identical, and it will not be described here.
Accordingly, it is believed that guide colume type force-measuring framework provided by the utility model lateral load force system test structure and
Its production method can also be applied to circular cone laminated rubber spring formula force-measuring framework and cylinder laminated rubber spring formula force-measuring framework
On, here, by guide colume type force-measuring framework, circular cone laminated rubber spring formula force-measuring framework and cylinder laminated rubber spring formula dynamometry
Framework is referred to as class guide colume type force-measuring framework.
Claims (3)
1. a kind of lateral load force system of high-precision class guide colume type force-measuring framework tests structure, such guide colume type force-measuring framework has
Two curb girders and two crossbeams, the both ends of two curb girders constitute the quadrangle of the force-measuring framework, it is characterised in that:
All there are four high separation load identification point regions for definition on the quadrangle, are respectively as follows:
First area: curb girder upper cover plate outer, and be located at curb girder and nearside crossbeam junction to outside spring strut seat center it
Between；
Second area: curb girder lower cover plate outer, and be located at curb girder and nearside crossbeam junction to outside spring strut seat center it
Between；
Third region: edge in curb girder upper cover plate, and be located at curb girder and nearside crossbeam junction to outside spring strut seat center it
Between；
The fourth region: edge in curb girder lower cover plate, and be located at curb girder and nearside crossbeam junction to outside spring strut seat center it
Between；
Wherein so-called nearside crossbeam refers to that crossbeam more close with angle where each region；
The first foil gauge is pasted on the first region, pastes the second foil gauge on the second region, pastes on the third area
Three foil gauges paste the 4th foil gauge in the fourth region；The first foil gauge, the second foil gauge on the same angle, third are answered
Become piece and the 4th foil gauge forms full-bridge circuit structure；
In the full-bridge circuit structure, the first foil gauge and the second pairs of arm of foil gauge group, third foil gauge and the 4th foil gauge group
Pairs of arm, the first foil gauge and third foil gauge form adjacent arms, and the second foil gauge and the 4th foil gauge form adjacent arms.
2. the lateral load force system of high-precision class guide colume type force-measuring framework according to claim 1 tests structure, feature
It is: is disposed at least one set of spare full-bridge circuit structure at each angle of force-measuring framework.
3. the lateral load force system of high-precision class guide colume type force-measuring framework according to claim 1 tests structure, feature
Be: the class guide colume type force-measuring framework is guide colume type force-measuring framework, circular cone laminated rubber spring formula force-measuring framework or cylinder
Laminated rubber spring formula force-measuring framework.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820937464.9U CN208350257U (en) | 2018-06-15 | 2018-06-15 | The lateral load force system of high-precision class guide colume type force-measuring framework tests structure |
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| CN201820937464.9U CN208350257U (en) | 2018-06-15 | 2018-06-15 | The lateral load force system of high-precision class guide colume type force-measuring framework tests structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608832A (en) * | 2018-06-15 | 2019-12-24 | 北京交通大学 | Transverse loading force system testing structure of guide pillar-like force measuring framework and manufacturing method thereof |
-
2018
- 2018-06-15 CN CN201820937464.9U patent/CN208350257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608832A (en) * | 2018-06-15 | 2019-12-24 | 北京交通大学 | Transverse loading force system testing structure of guide pillar-like force measuring framework and manufacturing method thereof |
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